Looking for books similar to *The Enchantress of the Nation: The Regent's Darling Keeps Causing Trouble*. Well-written historical romance with strong leads who aren't hopelessly lovesick. The plot should be the focus.
The heroine was a princess, and she gave birth to twins with the hero in later generations, and the twins traveled back in time! The twins made a strong assist, the male protagonist has been planning for a long time! The ambiguous pull makes everyone's hearts flutter.
